import Vue from 'vue'
import Router from 'vue-router'
import login from '@/views/login/index'
import store from "@/store";
import { getToken } from '@/utils/auth'
Vue.use(Router)

/* Layout */
import Layout from '@/layout'
const _import = require('./import-' + process.env.NODE_ENV)
/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
export const constantRoutes = [
  {
    path: '/login',
    component: login,
    hidden: true,
    name: "login"
  },

  {
    path: '/404',
    component: () => import('@/views/404'),
    hidden: true
  },

]

export  const dashboard = {
  path: '/',
  component: Layout,
  redirect: '/dashboard',
  children: [{
    path: 'dashboard',
    name: 'Dashboard',
    component: () => import('@/views/dashboard/index'),
    meta: { title: 'Dashboard', icon: 'dashboard' }
  }],
  beforeEnter(to, from, next) {
    let token = getToken()
    if (!token || !/\S/.test(token)) {
      store.dispatch("user/resetToken")
      next({ name: 'login' })
    }
    next()
  }
}
const createRouter = () => new Router({
  mode: 'hash',
  // mode: 'history', // require service support
  scrollBehavior: () => ({ y: 0 }),
  routes: constantRoutes.concat(dashboard),
  isAddDynamicMenuRoutes: false, // 是否已经添加动态(菜单)路由
})

const router = createRouter()




// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

export default router
